Base | Representation |
---|---|
bin | 10010110010000… |
… | …01010101111010 |
3 | 101222110120111220 |
4 | 21121001111322 |
5 | 310313212132 |
6 | 23344532510 |
7 | 3622121142 |
oct | 1131012572 |
9 | 358416456 |
10 | 157554042 |
11 | 80a31758 |
12 | 44921136 |
13 | 26845359 |
14 | 16cd3922 |
15 | dc72a2c |
hex | 964157a |
157554042 has 32 divisors (see below), whose sum is σ = 343137600. Its totient is φ = 48037248.
The previous prime is 157554031. The next prime is 157554043. The reversal of 157554042 is 240455751.
It is a junction number, because it is equal to n+sod(n) for n = 157553994 and 157554012.
It is not an unprimeable number, because it can be changed into a prime (157554043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20523 + ... + 27134.
It is an arithmetic number, because the mean of its divisors is an integer number (10723050).
Almost surely, 2157554042 is an apocalyptic number.
157554042 is an abundant number, since it is smaller than the sum of its proper divisors (185583558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157554042 is a wasteful number, since it uses less digits than its factorization.
157554042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47710.
The product of its (nonzero) digits is 28000, while the sum is 33.
The square root of 157554042 is about 12552.0532981660. The cubic root of 157554042 is about 540.1029090565.
The spelling of 157554042 in words is "one hundred fifty-seven million, five hundred fifty-four thousand, forty-two".
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